11200134144 has 44 divisors (see below), whose sum is σ = 29852449064. Its totient is φ = 3733377024.

The previous prime is 11200134139. The next prime is 11200134151. The reversal of 11200134144 is 44143100211.

It is a super-2 number, since 2×11200134144² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11200134144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1819867 + ... + 1826010.

Almost surely, 2^11200134144 is an apocalyptic number.

It is an amenable number.

11200134144 is an abundant number, since it is smaller than the sum of its proper divisors (18652314920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11200134144 is an equidigital number, since it uses as much as digits as its factorization.

11200134144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3645900 (or 3645882 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 11200134144 its reverse (44143100211), we get a palindrome (55343234355).

The spelling of 11200134144 in words is "eleven billion, two hundred million, one hundred thirty-four thousand, one hundred forty-four".